Spokesman Rich Young said Thursday the company has discovered more than 90 acts of sabotage since the strike began over the weekend. Young said wires have been cut, resulting in the loss of phones and Internet service for residences and businesses. The company, based in New York City, said a small town police department and a hospital have been affected.
FBI spokesman Bryan Travers said the bureau is looking into the allegations.
A workers' union spokeswoman said the union doesn't condone illegal action of any kind.
About 45,000 Verizon landline workers went on strike Sunday from Massachusetts to Virginia, fighting management demands for contract givebacks.